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प्रश्न
Give reasons for the following.
Sodium and potassium are stored in kerosene.
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उत्तर
Sodium and potassium are stored in kerosene because they are highly reactive elements. They can easily catch fire even when in contact with air.
संबंधित प्रश्न
Give a reason for Alkali metals are good reducing agents.
State one use of Iron.
Mention two uses of the following metals and non-metals
Aluminium
Mention two uses of the following metals and non-metals
Oxygen
State two important uses of following metal:
Uses of gold
State two important uses of following metals:
Uses of iron
Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3
Give a reason why a green deposit is seen on the surface of an article of copper
Give reasons for the following.
- Aluminum foils are used to wrap food items.
- Immersion rods for heating liquids are made up of metallic substances.
- Sodium and potassium are stored in kerosene.
- Mercury is used in thermometers.
The metal can be cut with a knife ______.
